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GMC Repair/2004 Yukon Denali XL won't start
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Question
The family and I went to the mall tonight. Came back to the Denali and she would not start. We are the sole owners and have taken VERY good care of this excellent vehicle. I called OnStar; but the vehicle cranked up after 40 minutes of wait time. On the way home, noticed that VERY hot air blows from driver's side; cool air from PAX side when A/C is on. Got home, parked in garage; re-tried to start the SUV; no joy. My pops retired from Saginaw Steering Gear; thus I am a HUGE GM fan. Should I pull fuses; reset via battery terminal removal; or just suck it up and take it to the dealership for computer analysis (provided I can get 'er to start).
UPDATE: I took off and re-attached the negative battery cable; fixed the aircon problem. However, I had to get a boost to charge the battery. After driving the vehicle for 40 minutes, I backed into the garage, turned it off. The vehicle would not start immediately afterwards... only clicking noises. Ideas?
Hi
Sounds like a classic battery failure.
I am SURE it will just be a battery. You can take the battery out, and take it to a parts chain store (auto Zone, Napa, etc...) and have it checked. After replacing battery, take the truck to the same store, and have the charging system double checked, just to be safe.
I hope this helps
Pawl.
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CAJUNSC/RAMBLER390
Expertise
1998 and NEWER questions ONLY!! I WILL REJECT QUESTIONS FROM 1998 BACK. Electrical diagnosis. Brake Diagnosis. Driveability, Service Engine Soon Lights. Engine mechanical. Automatic or Standard Transmissions. Drive Line (drive shafts, axles) Rear and front differentials and 4wd Transfer Cases. Tires and wheels. ABS. HVAC. Air Bag (SIR). Interior, seats, etc... 6.6L Duramax Diesel diagnosis. 6.5L diesel diagnosis. I WILL not answer Alignment questions OR carburetor questions.
I need YEAR, MAKE and MODEL of vehicle, and ENGINE SIZE and TRANSMISSION type, IF applicable to the question. The more information, the better.
EFFECTIVE Jan. 2012, I will not answer questions about PARTS or AFTER MARKET installed items.(After Market radios, entertainment systems, alarms, etc...)
I work at a Large, Busy GM Dealership
Last thing, my answers are JUST SUGGESTIONS and ADVICE and you should ALWAYS CHECK with your mechanic for proper diagnosis and repair.
Experience
18 Years GM Dealership experience as an "A" line tech. ASE Master Technician. A-9 Light duty Diesel certified as of 2011. 100% GM certified MTC Certified. GM World Class Technician.
Education/Credentials
High School graduate. No College or higher learning.
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